0.51 lbs/ 240g has case, cleaning brush, covers, bag and charger for each cup, measure guide user book, back straps for bra if needed extended, and extra silicone pieces. One fully charge within 130 mins for 7~8 pumping sessions. Made of BPA-free food-grade silicone, safe for you, and also for your baby. Upgraded 3 modes (stimulation+expression+mixed) that naturally mimic your little one's feeding, and 9 levels designed to provide more flexibility. Customize your S12 Pro breast pump so it always starts with your preferred settings for an efficient pumping session Momcozy S12 Pro hands-free breast pump is a small, discreet unit that sits entirely inside your bra. It is lightweight and requires no wires or outlets to work, totally freely for pumping anytime anywhere double-sealed flange made from suction-sealed materials makes spills a thing of the past